Nursing Elites

1. A client with asthma develops respiratory acidosis. Based on this diagnosis, what should the nurse expect the client's serum potassium level to be?

• A. normal
• B. elevated
• C. low
• D. unrelated to the pH

Correct answer: B

Rationale: In respiratory acidosis, the body retains CO2, leading to increased hydrogen ion concentration and a drop in blood pH. As pH decreases, serum potassium levels increase due to the movement of potassium out of cells to compensate for the acidosis. Elevated serum potassium levels are expected in respiratory acidosis. Choice A ('normal') is incorrect because potassium levels are expected to be elevated in respiratory acidosis. Choice C ('low') is incorrect as potassium levels rise in this condition. Choice D ('unrelated to the pH') is incorrect as serum potassium levels are directly impacted by changes in pH in respiratory acidosis.

2. A physician orders a serum creatinine for a hospitalized client. The nurse should explain to the client and his family that this test:

• A. is normal if the level is 4.0 to 5.5 mg/dl.
• B. can be elevated with increased protein intake.
• C. is a better indicator of renal function than the BUN.
• D. reflects the fluid volume status of a person

Correct answer: C

Rationale: A serum creatinine level should be 0.7 to 1.5 mg/dl, and it does not vary with increased protein intake, so it is a better indicator of renal function than the BUN. Choice A is incorrect as a serum creatinine level of 4.0 to 5.5 mg/dl is not normal. Choice B is incorrect as serum creatinine is not affected by increased protein intake. Choice D is incorrect as serum creatinine primarily reflects renal function, not fluid volume status.

3. A newborn baby exhibits a reflex that includes hand opening, abducted, and extended extremities following a jarring motion. Which of the following correctly identifies the reflex?

• A. ATNR reflex
• B. Startle reflex
• C. Grasping reflex
• D. Moro reflex

Correct answer: D

Rationale: The Moro reflex, also known as the startle reflex, is the correct answer. This reflex is characterized by the baby's response to a sudden head movement or loud noise, causing them to open their hands, extend their arms, and then bring them back towards their body. The characteristics mentioned in the question - hand opening, abducted, and extended extremities following a jarring motion - align with the Moro reflex. The asymmetrical tonic neck reflex (ATNR) involves the head turning to one side with extension of the same side's arm and leg, not the described characteristics. The grasping reflex involves the baby's response to touch on the palm, causing them to grasp an object. While the Moro reflex is often referred to as the startle reflex due to its response to sudden stimuli, the specific characteristics described in the question match the Moro reflex.

4. A client had a C5 spinal cord contusion that resulted in quadriplegia. Two days after the injury occurred, the nurse sees his mother crying in the waiting room. The mother asks the nurse whether her son will ever play football again. Which of the following is the best initial response?

• A. "Given time and motivation, your son may regain some function, but I will seek more information from the physician."?
• B. Maintain a calm demeanor and speech pattern while addressing the mother's concerns.
• C. "I'm not sure, but I'll call the physician to discuss this with you promptly."?
• D. "It's not beneficial for your son if you get upset."?

Correct answer: C

Rationale: The best initial response in this situation is to acknowledge the mother's concern, express uncertainty, and offer to obtain more information from the physician. By saying, "I'm not sure, but I'll call the physician to discuss this with you promptly,"? the nurse demonstrates empathy, honesty, and a commitment to providing accurate information. Offering vague reassurance (Choice A) may raise false hopes as outcomes for spinal cord injuries are unpredictable. While maintaining a calm demeanor (Choice B) is important, it does not directly address the mother's immediate need for information. Discouraging the mother from feeling upset (Choice D) is dismissive of her emotions and does not address her question, which is seeking information about her son's prognosis.

5. What is the next step for a 64-year-old male diagnosed with COPD and CHF who shows a 10 lbs increase in total body weight over the last few days?

• A. Contact the patient's physician immediately.
• B. Check the intake and output on the patient's flow sheet.
• C. Encourage the patient to ambulate to reduce lower extremity edema.
• D. Check the patient's vitals every 2 hours.

Correct answer: B

Rationale: In a patient with COPD and CHF experiencing a sudden increase in total body weight, the priority is to check the intake and output on the patient's flow sheet to evaluate fluid balance. This assessment helps determine if the weight gain is due to fluid retention, which can exacerbate CHF. Contacting the physician may be necessary based on the intake and output findings. While encouraging ambulation is beneficial for circulation, it may not address the root cause of fluid retention. Checking vitals every 2 hours is important for monitoring stability but may not pinpoint the reason behind the weight gain.

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